Search a number
-
+
12022202211222 = 2371723131727933
BaseRepresentation
bin1010111011110010001100…
…0101111001101110010110
31120120022101221110021220210
42232330203011321232112
53033432432231224342
641322531244310250
72350401243465210
oct256744305715626
946508357407823
1012022202211222
1139156508037a5
121421b97242386
136928c53c1488
142d7c405595b0
1515cad219379c
hexaef23179b96

12022202211222 has 64 divisors (see below), whose sum is σ = 29097047729664. Its totient is φ = 3232716894720.

The previous prime is 12022202211221. The next prime is 12022202211277. The reversal of 12022202211222 is 22211220222021.

It is a super-2 number, since 2×120222022112222 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022202211221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16151568 + ... + 16879500.

It is an arithmetic number, because the mean of its divisors is an integer number (454641370776).

Almost surely, 212022202211222 is an apocalyptic number.

12022202211222 is an abundant number, since it is smaller than the sum of its proper divisors (17074845518442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12022202211222 is a wasteful number, since it uses less digits than its factorization.

12022202211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751093.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12022202211222 its reverse (22211220222021), we get a palindrome (34233422433243).

The spelling of 12022202211222 in words is "twelve trillion, twenty-two billion, two hundred two million, two hundred eleven thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 357 714 23131 46262 69393 138786 161917 323834 393227 485751 727933 786454 971502 1179681 1455866 2183799 2359362 2752589 4367598 5095531 5505178 8257767 10191062 12374861 15286593 16515534 24749722 30573186 37124583 74249166 86624027 173248054 259872081 519744162 16837818223 33675636446 50513454669 101026909338 117864727561 235729455122 286242909791 353594182683 572485819582 707188365366 858728729373 1717457458746 2003700368537 4007400737074 6011101105611 12022202211222